Introductions to Blazars - Lecture 1

Explore the fascinating world of blazars in this comprehensive lecture from the Latin-American School on CTA Science. Delve into the nature, classification, and significance of these high-energy sources, examining their optical spectrum, variability, and radiation mechanisms. Investigate advanced topics such as long baseline interferometry, radiation boosting, and spectral energy distributions. Learn about the unified model, Fermi laser sequence, and various radiation fields associated with blazars. Discover techniques for measuring magnetic fields and particle spectra, and explore intriguing phenomena like orphan flares and proton-photon interactions. Gain insights into the role of blazars in neutrino production and their importance in high-energy astrophysics.